•1 box containing papers relating to an expedition to East Africa, Ruwenzori Mountains, (1932); papers seem to be those generated by RBGE Herbarium as opposed to Humphreys himself.
Humphreys, Dr. G.N.Three letters and a description relating to the emergence of a new genus after some saussurea-type specimens collected by Siehe were studied and didn't fit into any genus in existence at that time. Correspondence between Andrew Grierson, Charles Jeffrey and Professor Wagenitz, and reference made to Peter Davis. October - November 1972
Royal Botanic Garden Edinburgh Herbarium